Hey, you got your Fifty Shades of Greyin my Zombie Apocalypse! Everybody's obsessed with one of these pop culture trends or the other, and they're not as different as you might think: On the Fifty Shades side, you've got the role play-inspiring dominant vs. submissive dynamic; on the zombie end of the spectrum, you've got the role play-inspiring living vs. the walking dead face-off. Bondage and the zombification process both involve pain and grunting. And both can get ugly, fast!